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General Knowledge(GK) (or) General Awareness

Welcome to the General Knowledge Section of Free Time Learning. As we are aware General Knowledge (GK) is a very important area in all the competitive exams held in the country. Nowadays, a good knowledge of general awareness is very important in clearing any competitive and government recruitment examinations.

These General Knowledge Question are very important and usefull to UPSC, IAS/PCS, UPPSC, IBPS, SBI, RBI, SSC, CGL, Railway, APPSC, TSPSC, KPSC, TNPSC, TPSC, UPPSC, MPSC, RPSC, BPSC, MPPSC, UKPSC, MPSC, and other competitive exams.

1 .
Which of the following elements was first produced artificially
A)
Francium
B)
Technetium
C)
Plutonium
D)
Neptunium

Correct Answer :   Technetium

Technetium. The first element that was synthesised, rather than being discovered in nature, was technetium in 1937. This discovery filled a gap in the periodic table, and the fact that no stable isotopes of technetium exist explains its natural absence on Earth (and the gap).

Published On : June 9, 2021
2 .
A photoelectric cell converts
A)
Electrical energy into heat energy
B)
Electrical energy into light energy
C)
Light energy into sound energy
D)
Light energy into electrical energy

Correct Answer :   Light energy into electrical energy

Published On : June 9, 2021
3 .
The pH value of water used for a boiler should be nearly
A)
7.0
B)
8.5
C)
10.8
D)
16.7

Correct Answer :   8.5

Published On : June 9, 2021
4 .
Which one of the following metals forms an amalgam with other metals
A)
Mercury
B)
Lead
C)
Zinc
D)
Tin

Correct Answer :   Mercury

Published On : June 9, 2021
5 .
The primary ore of Mercury (Hg) metal is
A)
Rock salt
B)
Calamine
C)
Cinnabar
D)
Haematite

Correct Answer :   Cinnabar

Published On : June 9, 2021
6 .
The Compressed Natural Gas (CNG) mainly consists of
A)
Ethane
B)
Butane
C)
Methane
D)
Propane

Correct Answer :   Methane

CNG is the compressed form of Natural Gas, which is mainly composed of methane [CHâ‚„]), which is less than 1% of the volume it occupies at standard atmospheric pressure so that large volume of gas can be stored in CNG cylinder.

Published On : June 9, 2021
7 .
Which of the following is known as Natures ploughman
A)
Polygordius
B)
Earthworm
C)
Neries
D)
Cattle Leech

Correct Answer :   Earthworm

Earthworms are called as nature's ploughman because they loosen the soil when they burrow and this is good for the soil because it lets the CO2 out and the O2 in. It also helps to mix the nutrients in the soil, making it better for plants to grow.

Published On : June 9, 2021
8 .
Ball pen functions on the principle of
A)
Surface tension
B)
Doppler effect
C)
Gravitational force
D)
Lenz's law

Correct Answer :   Surface tension

The principle behind the working of a ball pen is surface tension and gravity. The ink gets spread over the ball due to surface tension. The flow of ink to the ball is based on the surface tension. If the surface tension is high, the ink won't spread over the ball properly.

Published On : June 9, 2021
9 .
The unit used for measuring the speed in oceanic navigation is
A)
Ohm
B)
Fathom
C)
Horse Power
D)
Knot

Correct Answer :   Knot

Nautical miles are used for charting and navigating. A knot is one nautical mile per hour (1 knot = 1.15 miles per hour ).

Published On : June 9, 2021
10 .
Who suggests that the earth origin from gas and dust particles
A)
O. Schmid
B)
F. Hoyle
C)
H. Alfven
D)
James Jeans

Correct Answer :   O. Schmid

O Schmidt suggests the earth's origin is from gases and dust particles.

Published On : June 9, 2021